- Raise and suitably support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Place a drain pan or suitable container underneath transmission.
- Remove transmission oil
level/filler plug from transmission (2-Wheel Drive Models) (2).
- Remove the transmission
oil level/filler plug from the transmission 4 Wheel Drive Models (3).
- Remove transmission drain plug from transmission and drain transmission
oil (2-Wheel Drive Models) (3).
- Apply GM P/N 12346004 (Canadian P/N 10953480),
or equivalent, to the threaded portion of the transmission drain plug (3).
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install transmission
drain plug (3) into the transmission (2-Wheel Drive Models).
Tighten
Tighten the transmission drain plug to 28 N·m (20 lb ft).
- Pour approximately 1.5 liters (1.6 qts) of GM Goodwrench
Synthetic Manual Transmission Fluid, (GM P/N 12346190) (Canadian P/N 10953477)
or equivalent SAE 75W-90 GL-4 Gear Oil into the transmission oil level/filler
plug (2) hole. Oil level should be even with the bottom of the transmission
oil lever/filler plug hole.
- Apply GM P/N 12346004 (Canadian P/N 10953480) or
the equivalent, to the threaded portion of the transmission oil level/filler
plug (2).
- Install transmission oil level/filler plug (2) into the transmission
(2-Wheel Drive Models).
Tighten
Tighten the transmission drain plug to 28 N·m (20 lb ft).
- Install transmission oil level/filler plug (2) into the transmission.
- Remove the drain pan from underneath the transmission.
- Lower the vehicle.